From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Message-ID: <1420818639.28652.5.camel@mm-sol.com> Subject: Re: [PATCH] iio: Simplify IIO provider access locking mechanism From: "Ivan T. Ivanov" To: Lars-Peter Clausen Cc: Jonathan Cameron , Hartmut Knaack , Peter Meerwald , linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org Date: Fri, 09 Jan 2015 17:50:39 +0200 In-Reply-To: <54AFF6C4.9020306@metafoo.de> References: <1420817893-5858-1-git-send-email-iivanov@mm-sol.com> <54AFF6C4.9020306@metafoo.de> Content-Type: text/plain; charset="UTF-8" Mime-Version: 1.0 List-ID: On Fri, 2015-01-09 at 16:41 +0100, Lars-Peter Clausen wrote: > On 01/09/2015 04:38 PM, Ivan T. Ivanov wrote: > > Instead of checking whether provider module is still > > loaded on every access to device just lock module to > > memory when client get reference to provider device. > > > > This has nothing to do with the module, it's about the device. In the Linux > device driver model as device can be unbound at any time and the IIO > framework needs to handle this. > Hm. Probably i am missing something here, but is this still true if we have reference to device structure? Regards, Ivan